Scientific Method…8
Attach questions to
the far left had side
of this paper
Set up paper for
Cornell notes
Scientific Method
Purpose/Problem
The process by which
scientists ask questions and
seek answers.
Ask a question about
something that you observe
Hypothesis
Test the Experiment
• An educated guess
• If…then
• Procedure (step by step)
• Record data carefully.
• Multiple trials!!!
Independent Variable
Dependent Variable
The variable that the
scientist changes
• What you observe
happening
• The effect
What is the independent
variable? What am
changing?
No
Music
I
Rap
What is the dependent
variable? What will you
observe happening?
Country
Classical
Control Group
Part of the experiment where
all variables are kept the
same.
Experimental Group
Identical to the Control group
except one variable is
changed.
What is the control group?
What is the experimental group?
No
Music
Rap
Country
Classical
Constants
Things that are the same in
each test group.
What would the constants be?
No
Music
Rap
Country
Classical
Conclusion
Based on the results, what is
the answer to your
question?
Practice
Commercial
Purpose/Problem
Hypothesis
Independent Variable
Dependent Variable
Control Group
Experimental Group
Which air freshener works best on pet
odors?.
If I use Fabreeze, then there will be no
pet odor.
I will be using different brands of air
fresheners.
I will be observing the smell after using
the air freshener.
One group that has no air freshener.
Each group will have the same type of
pet odor. The differences between
each group will be the type of air
freshener I use.
Purpose/Problem
Hypothesis
Independent Variable
Dependent Variable
Control Group
Experimental Group
Will tarter control Aqua fresh work
better than other toothpastes?
If you use aqua fresh, then you will not
develop plaque
I will test different types of toothpaste
I will measure the amount of plaque,
monthly.
I will have one group not use tooth
paste OR I will have one group use
non tartar control toothpaste.
I will have one group use aqua fresh,
crest, Colgate and Wal-Mart brand
tartar control toothpaste.
Summarize what you see in your advertisement. What is the product
claiming it can do? How is your product better or different from
others?
Title your experiment
1. Purpose/Problem
Question form
2. Hypothesis
3. Procedure
When you are done, turn
your paper into the back of
the room and take a Bart
Simpson handout, and
complete that.
Use the format if…..then
Step by Step – how will you go about
testing this product
4. Independent Variable
Remember – what “I” am changing
What are you looking for to happen
5. Dependent Variable
6. Control Group
7. Experimental Group
Answer
these with
complete
sentences
No juice -B
juice
Number of papers stapled
The juice did
not work
Complete for homework-due Thursday!!